# Join Our Beta Signup — Section Design Reference

Schema: Design Details SECTION.md v3.2
Source: https://www.zero.university/
Website: Zero
Section ID: 62415562-0d9a-4f6e-9c1b-95fcc3a97fe7
Status: deterministic evidence captured; editorial AI review pending

## Purpose

This is a cta section on the Home page. Use the attached crop and measured browser facts to reconstruct its composition. Do not infer unmeasured source values.

## Layout

captured layout

## Visual signature

illustrative, playful, editorial, narrative-scroll, 3d-realism treatment at 1440×893px. The crop spans 17021–17914px of a 17914px page.

## Components

- Hero With Background Imagery
- Primary Button
- Floating Product Card
- Newsletter Form
- Handwritten Annotations
- Scattered UI Montage

## Evidence note

The geometry, typography, colors, media, and animation parameters below come from saved HTML/CSS/browser evidence when present. Website-level roles are supplied separately. Editorial section judgment remains pending unless the MCP resolves this source ID to a promoted canonical record.

## Build blueprint v3.2

### Purpose and classification

- Canonical type: cta
- Source type: cta
- Structure: captured layout
- Layout: captured layout
- Styles: illustrative, playful, editorial, narrative-scroll, 3d-realism
- Components: Hero With Background Imagery, Primary Button, Floating Product Card, Newsletter Form, Handwritten Annotations, Scattered UI Montage
- Purpose: cta section from the Home page of Zero.
- Visual signature: Captured visual surface with captured layout. Inspect the crop for image and content hierarchy.

### Crop and composition

- Crop: 1440×893px; aspect ratio 1.613:1
- Page bounds: 17021–17914px of 17914px
- Guidance: Preserve the documented hierarchy and relationships; exact measurements were not deterministically captured.

### Exact typography evidence

The sectionScale values were measured inside this crop. The siteRoles values explain how those faces function across the source website; they must not replace section measurements.

```json
{
  "sectionScale": [
    {
      "role": "body/supporting copy",
      "family": "Google Sans Flex",
      "stack": "\"Google Sans Flex\", \"Google Sans Flex Placeholder\", sans-serif",
      "size": "16px",
      "weight": "600",
      "lineHeight": "22.4px",
      "letterSpacing": "-0.3px",
      "sample": "Join Beta",
      "element": "p",
      "occurrences": 2,
      "sourceId": "font-11"
    },
    {
      "role": "body/supporting copy",
      "family": "Google Sans Flex",
      "stack": "\"Google Sans Flex\", \"Google Sans Flex Placeholder\", sans-serif",
      "size": "16px",
      "weight": "400",
      "lineHeight": "22.4px",
      "letterSpacing": "-0.3px",
      "sample": "team@zero.university",
      "element": "p",
      "occurrences": 1,
      "sourceId": "font-14"
    },
    {
      "role": "body/supporting copy",
      "family": "PP Supply Mono",
      "stack": "\"PP Supply Mono\", monospace",
      "size": "14px",
      "weight": "400",
      "lineHeight": "19.6px",
      "letterSpacing": "-0.1px",
      "sample": "beta phase 2, opening soon.",
      "element": "p",
      "occurrences": 1,
      "sourceId": "font-15"
    },
    {
      "role": "section heading",
      "family": "STK Bureau Serif Book",
      "stack": "\"STK Bureau Serif Book\", \"STK Bureau Serif Book Placeholder\", serif",
      "size": "100px",
      "weight": "400",
      "lineHeight": "80px",
      "letterSpacing": "-4px",
      "sample": "Join",
      "element": "span",
      "occurrences": 2,
      "sourceId": "font-22"
    }
  ],
  "siteRoles": [
    {
      "role": "display",
      "size": "96px",
      "family": "STK Bureau Serif Book",
      "source": "computed",
      "traits": "Regular",
      "weight": "400",
      "evidence": "font-1: computed CSS at 1440×1000; AI role: STK Bureau Serif Book used for primary large storytelling headings (e.g., '4 years. In debt.').",
      "sampleId": "font-1",
      "confidence": 1,
      "lineHeight": "96px",
      "letterSpacing": "-4.8px"
    },
    {
      "role": "heading",
      "size": "32px",
      "family": "Caveat",
      "source": "computed",
      "traits": "Regular",
      "weight": "400",
      "evidence": "font-16: computed CSS at 1440×1000; AI role: Caveat script font used extensively for playful, handwritten accents and subheadings.",
      "sampleId": "font-16",
      "confidence": 0.9,
      "lineHeight": "25.6px",
      "letterSpacing": "-1.3px"
    },
    {
      "role": "body",
      "size": "14px",
      "family": "Google Sans Flex",
      "source": "computed",
      "traits": "Regular",
      "weight": "500",
      "evidence": "font-6: computed CSS at 1440×1000; AI role: Google Sans Flex used for legible UI text and secondary descriptive copy within the floating cards.",
      "sampleId": "font-6",
      "confidence": 0.95,
      "lineHeight": "19.6px",
      "letterSpacing": "normal"
    },
    {
      "role": "mono",
      "size": "16px",
      "family": "PP Supply Mono Regular",
      "source": "computed",
      "traits": "uppercase",
      "weight": "400",
      "evidence": "font-8: computed CSS at 1440×1000; AI role: PP Supply Mono Regular used for small uppercase labels like 'SOFTWARE ENGINEER' and footer details.",
      "sampleId": "font-8",
      "confidence": 0.9,
      "lineHeight": "25.6px",
      "letterSpacing": "-0.3px"
    }
  ]
}
```

### Exact color evidence

The section samples record where each computed value was used. Functional roles come from the website-level classifier and remain separate.

```json
{
  "sectionUsage": [
    {
      "value": "#FFFFFF",
      "cssValue": "rgba(255, 255, 255, 0.05)",
      "alpha": 0.050980392156862744,
      "appliedAs": [
        "background"
      ],
      "occurrences": 1,
      "sourceId": "color-16"
    },
    {
      "value": "#FFFFFF",
      "cssValue": "rgba(255, 255, 255, 0.6)",
      "alpha": 0.6,
      "appliedAs": [
        "text"
      ],
      "occurrences": 1,
      "sourceId": "color-19"
    }
  ],
  "functionalPalette": [
    {
      "hex": "#FFFFFF",
      "name": "canvas",
      "role": "canvas",
      "source": "computed",
      "evidence": "color-3: computed rgb(255, 255, 255); AI role: White (#FFFFFF) is the dominant background color for the main narrative sections and floating cards.",
      "sampleId": "color-3",
      "confidence": 1
    },
    {
      "hex": "#000000",
      "name": "text",
      "role": "text",
      "source": "computed",
      "evidence": "color-1: computed rgb(0, 0, 0); AI role: Solid black (#000000) is used for the majority of primary text and the serif headings.",
      "sampleId": "color-1",
      "confidence": 1
    },
    {
      "hex": "#192E19",
      "name": "surface",
      "role": "surface",
      "source": "computed",
      "evidence": "color-8: computed rgb(25, 46, 25); AI role: Dark green (#192E19) serves as the primary background for the distinct footer section.",
      "sampleId": "color-8",
      "confidence": 0.9
    },
    {
      "hex": "#262424",
      "name": "primary action",
      "role": "primary-action",
      "source": "computed",
      "evidence": "color-9: computed rgb(38, 36, 36); AI role: Dark grey/black (#262424) used for primary button backgrounds.",
      "sampleId": "color-9",
      "confidence": 0.9
    },
    {
      "hex": "#0E895A",
      "name": "accent",
      "role": "accent",
      "source": "computed",
      "evidence": "color-5: computed rgb(14, 137, 90); AI role: A rich green (#0E895A) is used for brand elements, handwritten text accents, and the 'zero' logo.",
      "sampleId": "color-5",
      "confidence": 0.85
    }
  ]
}
```

### Design tokens

```json
{
  "radius": "Large border-radii on buttons (pill shape, fully rounded) and significant rounding (likely 16px-24px) on floating UI cards.",
  "density": "Very low density overall. The design prioritizes vast amounts of negative space (or open 3D space) to focus attention on singular, bold statements or specific floating mockups.",
  "evidence": "Visual observation of the pill buttons, large stretches of white canvas between headings, the soft shadows on the OpenAI/Nike UI cards, and the full-width architectural background images.",
  "borderStyle": "Mostly borderless designs relying on soft, diffused drop shadows to separate floating elements from the background. Some subtle, light borders on interior UI card elements.",
  "buttonStyle": "Pill-shaped, combining dark backgrounds with white text or integrated into pill-shaped input fields. They feature tight padding and no visible borders.",
  "cornerStyle": "Soft and friendly. The UI cards and forms feature pronounced rounded corners, avoiding sharp edges entirely.",
  "contentWidth": "Variable. Full-bleed for the 3D background renders, but central text and floating cards are kept to readable, centered max-widths (approx 800px-1000px).",
  "spacingRhythm": "Highly custom, narrative-driven spacing. Extremely generous vertical margins between distinct 'scenes' to allow the user to scroll through a story, rather than tight, modular grids."
}
```

### Reconstruction specification

This is the implementation contract for the captured desktop viewport. Prefer section-specific facts here over general website descriptions.

- Root container was not deterministically isolated.
- Observed gaps: 4, 10px.
- Representative content widths: 400, 341px.
- Layout containers: 1; cards/surfaces: 0; media elements: 2; browser animations: 0.

#### Container, grid, and spacing

```json
{
  "viewport": {
    "width": 1440,
    "captureBounds": {
      "top": 17021,
      "bottom": 17914,
      "pageHeight": 17914
    }
  },
  "container": null,
  "spacing": {
    "observedGapsPx": [
      4,
      10
    ],
    "representativeContentWidthsPx": [
      400,
      341
    ]
  },
  "columns": [
    {
      "element": "form · Join Beta",
      "size": "400×60px",
      "position": "x 520px, y 17493px",
      "display": "flex",
      "template": "not captured",
      "direction": "row",
      "gap": "4px"
    }
  ]
}
```

#### Cards and surfaces

```json
{
  "cards": [],
  "surfaces": {
    "radii": [
      "535px",
      "99px",
      "32px"
    ],
    "borders": [],
    "shadows": [
      "rgba(0, 0, 0, 0.09) 0px 0.871463px 0.871463px -0.291667px, rgba(0, 0, 0, 0.09) 0px 2.22809px 2.22809px -0.583333px, rgba(0, 0, 0, 0.1) 0px 4.46684px 4.46684px -0.875px, rgba(0, 0, 0, 0.1) 0px 8.46757px 8.46757px -1.16667px, rgba(0, 0, 0, 0.12) 0px 16.831px 16.831px -1.45833px, rgba(0, 0, 0, 0.16) 0px 37px 37px -1.75px"
    ]
  }
}
```

#### Media treatment

```json
[
  {
    "element": "svg · svg",
    "size": "77×64px",
    "position": "x 346px, y 17431px",
    "aspectRatio": 1.2,
    "objectFit": "fill",
    "objectPosition": "50% 50%",
    "radius": "0px",
    "overflow": "hidden",
    "source": "source not captured"
  },
  {
    "element": "svg · svg",
    "size": "77×63px",
    "position": "x 999px, y 17437px",
    "aspectRatio": 1.2,
    "objectFit": "fill",
    "objectPosition": "50% 50%",
    "radius": "0px",
    "overflow": "hidden",
    "source": "source not captured"
  }
]
```

#### Browser-exposed animation parameters

```json
[]
```

### Measured geometry, surfaces, media, and animation

These raw values come from the saved element map and computed styles. Empty arrays mean the fact was not captured; they are not permission to invent source values.

```json
{
  "schema": "little-details-section-measurements-v1",
  "source": "saved DOM/CSS element and animation maps",
  "capturedAt": "2026-10-06T06:18:41.662Z",
  "viewportWidth": 1440,
  "bounds": {
    "top": 17021,
    "bottom": 17914,
    "pageHeight": 17914
  },
  "root": null,
  "spacing": {
    "gapsPx": [
      4,
      10
    ],
    "representativeContentWidthsPx": [
      400,
      341
    ]
  },
  "columns": [
    {
      "id": "ld-1079",
      "tag": "form",
      "role": null,
      "label": "Join Beta",
      "rect": {
        "x": 520,
        "y": 17493,
        "width": 400,
        "height": 60
      },
      "display": "flex",
      "columns": null,
      "direction": "row",
      "gap": "4px"
    }
  ],
  "cards": [],
  "surfaces": {
    "radii": [
      "535px",
      "99px",
      "32px"
    ],
    "borders": [],
    "shadows": [
      "rgba(0, 0, 0, 0.09) 0px 0.871463px 0.871463px -0.291667px, rgba(0, 0, 0, 0.09) 0px 2.22809px 2.22809px -0.583333px, rgba(0, 0, 0, 0.1) 0px 4.46684px 4.46684px -0.875px, rgba(0, 0, 0, 0.1) 0px 8.46757px 8.46757px -1.16667px, rgba(0, 0, 0, 0.12) 0px 16.831px 16.831px -1.45833px, rgba(0, 0, 0, 0.16) 0px 37px 37px -1.75px"
    ]
  },
  "media": [
    {
      "id": "ld-1056",
      "tag": "svg",
      "role": null,
      "label": "svg",
      "rect": {
        "x": 346,
        "y": 17431,
        "width": 77,
        "height": 64
      },
      "aspectRatio": 1.2,
      "objectFit": "fill",
      "objectPosition": "50% 50%",
      "radius": "0px",
      "overflow": "hidden",
      "media": null
    },
    {
      "id": "ld-1037",
      "tag": "svg",
      "role": null,
      "label": "svg",
      "rect": {
        "x": 999,
        "y": 17437,
        "width": 77,
        "height": 63
      },
      "aspectRatio": 1.2,
      "objectFit": "fill",
      "objectPosition": "50% 50%",
      "radius": "0px",
      "overflow": "hidden",
      "media": null
    }
  ],
  "animations": [],
  "coverage": {
    "elementsInSection": 27,
    "cards": 0,
    "media": 2,
    "animations": 0
  },
  "limitations": [
    "Values describe the captured desktop viewport and may change at other breakpoints.",
    "Transforms, sticky layers, and virtualized content can make the inferred section root approximate.",
    "Animations include browser-exposed Web Animations API state; CSS or script motion that was inactive at capture time may be absent."
  ]
}
```

### Observed motion

No timestamped authored motion is attached. Use only restrained baseline transitions.

The browser animation records above are deterministic parameters captured from active browser animations. The timestamped observations describe what Gemini saw in the video. Treat them as complementary evidence. When either source is empty or they conflict, state the uncertainty instead of inventing timing or easing.

### Responsive contract

- Measured viewport: 1440px wide.
- Mobile/tablet values: not measured by this section evidence unless a separate capture is explicitly listed.
- Preserve hierarchy and sequence; collapse simultaneous columns only where needed, maintain media aspect ratios, and verify touch targets and text wrapping at target breakpoints.

### Structure versus visual skin

- Preserve: content hierarchy, layout relationships, section rhythm, interaction purpose.
- Adapt: brand colors, font family, copy, imagery, icons, decorative details.
- Rule: Preserve the observed design logic while creating original branding, copy, assets, and implementation details.

### Adaptation and dependencies

- Effort: Not assessed
- What transfers: Documented hierarchy and composition
- Dependencies: None recorded
- Guidance: Adapt the pattern to the new product and content.

### Evidence readiness

- Coverage: 7/7
- Can build: Yes
- Missing facts: timestamped authored motion
- Warning: Buildable with adaptations for these unsupported facts: timestamped authored motion.

### Agent implementation prompt

Create an original cta section inspired by the design evidence titled “Join Our Beta Signup”.

Purpose: cta section from the Home page of Zero.

Structure: captured layout. Source layout label: captured layout. Preserve the documented hierarchy and relationships; exact measurements were not deterministically captured.

Visual signature to preserve at the pattern level: Captured visual surface with captured layout. Inspect the crop for image and content hierarchy.

Components: Hero With Background Imagery, Primary Button, Floating Product Card, Newsletter Form, Handwritten Annotations, Scattered UI Montage.

Style direction: illustrative, playful, editorial, narrative-scroll, 3d-realism.

Observed crop: 1440×893px (1.613:1). Treat this as evidence of composition, not a mandatory output size.

Typography evidence: {"role":"display","size":"96px","family":"STK Bureau Serif Book","source":"computed","traits":"Regular","weight":"400","evidence":"font-1: computed CSS at 1440×1000; AI role: STK Bureau Serif Book used for primary large storytelling headings (e.g., '4 years. In debt.').","sampleId":"font-1","confidence":1,"lineHeight":"96px","letterSpacing":"-4.8px"} {"role":"heading","size":"32px","family":"Caveat","source":"computed","traits":"Regular","weight":"400","evidence":"font-16: computed CSS at 1440×1000; AI role: Caveat script font used extensively for playful, handwritten accents and subheadings.","sampleId":"font-16","confidence":0.9,"lineHeight":"25.6px","letterSpacing":"-1.3px"} {"role":"body","size":"14px","family":"Google Sans Flex","source":"computed","traits":"Regular","weight":"500","evidence":"font-6: computed CSS at 1440×1000; AI role: Google Sans Flex used for legible UI text and secondary descriptive copy within the floating cards.","sampleId":"font-6","confidence":0.95,"lineHeight":"19.6px","letterSpacing":"normal"} {"role":"mono","size":"16px","family":"PP Supply Mono Regular","source":"computed","traits":"uppercase","weight":"400","evidence":"font-8: computed CSS at 1440×1000; AI role: PP Supply Mono Regular used for small uppercase labels like 'SOFTWARE ENGINEER' and footer details.","sampleId":"font-8","confidence":0.9,"lineHeight":"25.6px","letterSpacing":"-0.3px"}

Color evidence: {"hex":"#FFFFFF","name":"canvas","role":"canvas","source":"computed","evidence":"color-3: computed rgb(255, 255, 255); AI role: White (#FFFFFF) is the dominant background color for the main narrative sections and floating cards.","sampleId":"color-3","confidence":1} {"hex":"#000000","name":"text","role":"text","source":"computed","evidence":"color-1: computed rgb(0, 0, 0); AI role: Solid black (#000000) is used for the majority of primary text and the serif headings.","sampleId":"color-1","confidence":1} {"hex":"#192E19","name":"surface","role":"surface","source":"computed","evidence":"color-8: computed rgb(25, 46, 25); AI role: Dark green (#192E19) serves as the primary background for the distinct footer section.","sampleId":"color-8","confidence":0.9} {"hex":"#262424","name":"primary action","role":"primary-action","source":"computed","evidence":"color-9: computed rgb(38, 36, 36); AI role: Dark grey/black (#262424) used for primary button backgrounds.","sampleId":"color-9","confidence":0.9} {"hex":"#0E895A","name":"accent","role":"accent","source":"computed","evidence":"color-5: computed rgb(14, 137, 90); AI role: A rich green (#0E895A) is used for brand elements, handwritten text accents, and the 'zero' logo.","sampleId":"color-5","confidence":0.85}

Typography measured inside this section: {"id":"font-11","family":"Google Sans Flex","fontStack":"\"Google Sans Flex\", \"Google Sans Flex Placeholder\", sans-serif","weight":"600","size":"16px","lineHeight":"22.4px","letterSpacing":"-0.3px","traits":"Regular","count":2,"contexts":[{"tag":"p","text":"Join Beta","top":928,"property":"font"},{"tag":"p","text":"Join Beta","top":17512,"property":"font"}]} {"id":"font-14","family":"Google Sans Flex","fontStack":"\"Google Sans Flex\", \"Google Sans Flex Placeholder\", sans-serif","weight":"400","size":"16px","lineHeight":"22.4px","letterSpacing":"-0.3px","traits":"Regular","count":1,"contexts":[{"tag":"p","text":"team@zero.university","top":17838,"property":"font"}]} {"id":"font-15","family":"PP Supply Mono","fontStack":"\"PP Supply Mono\", monospace","weight":"400","size":"14px","lineHeight":"19.6px","letterSpacing":"-0.1px","traits":"uppercase","count":1,"contexts":[{"tag":"p","text":"beta phase 2, opening soon.","top":17573,"property":"font"}]} {"id":"font-22","family":"STK Bureau Serif Book","fontStack":"\"STK Bureau Serif Book\", \"STK Bureau Serif Book Placeholder\", serif","weight":"400","size":"100px","lineHeight":"80px","letterSpacing":"-4px","traits":"Regular","count":2,"contexts":[{"tag":"span","text":"Join","top":17344,"property":"font"},{"tag":"span","text":"our","top":17344,"property":"font"}]}

Colors measured inside this section: {"id":"color-16","hex":"#FFFFFF","alpha":0.050980392156862744,"cssValue":"rgba(255, 255, 255, 0.05)","count":1,"contexts":[{"tag":"div","text":"team@zero.university","top":17830,"property":"background"}]} {"id":"color-19","hex":"#FFFFFF","alpha":0.6,"cssValue":"rgba(255, 255, 255, 0.6)","count":1,"contexts":[{"tag":"p","text":"beta phase 2, opening soon.","top":17573,"property":"text"}]}

Exact section measurements from the saved element map: spacing {"gapsPx":[4,10],"representativeContentWidthsPx":[400,341]}; surfaces {"radii":["535px","99px","32px"],"borders":[],"shadows":["rgba(0, 0, 0, 0.09) 0px 0.871463px 0.871463px -0.291667px, rgba(0, 0, 0, 0.09) 0px 2.22809px 2.22809px -0.583333px, rgba(0, 0, 0, 0.1) 0px 4.46684px 4.46684px -0.875px, rgba(0, 0, 0, 0.1) 0px 8.46757px 8.46757px -1.16667px, rgba(0, 0, 0, 0.12) 0px 16.831px 16.831px -1.45833px, rgba(0, 0, 0, 0.16) 0px 37px 37px -1.75px"]}; media [{"tag":"svg","rect":{"x":346,"y":17431,"width":77,"height":64},"aspectRatio":1.2,"objectFit":"fill","objectPosition":"50% 50%","radius":"0px"},{"tag":"svg","rect":{"x":999,"y":17437,"width":77,"height":63},"aspectRatio":1.2,"objectFit":"fill","objectPosition":"50% 50%","radius":"0px"}]

Do not invent signature motion. Use only restrained baseline transitions if the product needs them.

Transfer the documented hierarchy and composition rather than source copy or assets.

No explicit dependencies were recorded.

Adapt the pattern to the new product and content.

Use new copy, imagery, branding, and implementation details. Do not reproduce the source website or its proprietary assets.